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DC Generators

DC Generators
In case of dc machines, mechanical losses are primary function of

Speed
Current
None of the listed here
Voltage

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DC Generators
A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave

will be of 5 Hz
will be zero
will be of 5 xiVHz
will be of v Hz 5

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DC Generators
The number of parallel paths in a simplex lap winding is equal to

Number of poles
None of the listed here
Number of pairs of poles
2

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DC Generators
The dc generator that has poorest voltage is

Series generator
Over compounded generator
Flat compounded generator
Shunt generator

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DC Generators
For a D.C. machines laboratory following type of D.C. supply will be suitable

Mercury are rectifier
Synchronous motor D.C. generator set
Induction motor D.C. generator set
Rotary converter

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DC Generators
The commutator segments are connected to the armature conductors by means of

Resistance wires
Insulation pads
Brazing
Copper lugs

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